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1.
Rev. chil. cir ; 62(3): 246-250, jun. 2010. ilus
Article in Spanish | LILACS | ID: lil-562723

ABSTRACT

Background: Needle biopsies of the spleen were avoided due to the fear of bleeding in a highly vascularized organ. However their safety, even using 18 gauge needles, has been demonstrated. Aim: To report the experience with ultrasound guided needle biopsies of the spleen. Material and Methods: Retrospective review of records of ultrasound guided biopsies of the spleen using Tru-cutTM needles, performed between 2005 and 2009. Results: Thirteen procedures performed in 12 patients were identified. A specific diagnosis was achieved in nine (69 percent) procedures (lymphoma in four, melanoma in 2, sarcoma in 1, extremedullary erythropoiesis in one and splenic cryptococcosis in one. Two patients with negative results were subjected to a new biopsy, which yielded the diagnosis of lymphoma. A third patient was studied elsewhere, finding a malignant tumor. Two patients had complications, one had a vagal reaction and other had a perisplenic hematoma without clinical repercussion. Conclusions: Ultrasound guided needle biopsy of the spleen is a safe and useful procedure.


Objetivo: Reportar la experiencia de biopsias percutáneas esplénicas con aguja tru-cut guiadas por imágenes. Materiales y Métodos: Revisión retrospectiva de biopsias esplénicas con aguja tru-cut guiadas por ultrasonido (US) y tomografía computada (TC) realizadas en nuestro hospital desde Enero de 2005 a Abril de 2009. Resultados: Se identificaron un total de 13 procedimientos. La biopsia percutánea logró un diagnóstico específico en 9 (69 por ciento) de las 13 intervenciones. Los diagnósticos fueron linfoma (n = 4), melanoma (n = 2), sarcoma (n = 1), hematopoyesis extramedular (n = 1) y criptococosis esplénica (n = 1). De las biopsias no diagnósticas 3 casos correspondieron a patología neoplásica y uno a patología benigna. Se reportaron 2 complicaciones (15 por ciento). Discusión: La biopsia esplénica percutánea guiada por imágenes con aguja tru-cut es un procedimiento útil y seguro, capaz de determinar el diagnóstico definitivo en la mayoría de los pacientes y evitar la mayoría de las esplenectomías diagnósticas.


Subject(s)
Humans , Biopsy, Needle/methods , Splenic Diseases/pathology , Splenic Diseases , Splenic Diseases , Biopsy, Needle/adverse effects , Biopsy, Needle/instrumentation , Splenic Neoplasms/pathology , Splenic Neoplasms , Splenic Neoplasms , Retrospective Studies , Tomography, X-Ray Computed , Ultrasonics
2.
Rev. chil. radiol ; 16(2): 70-74, 2010. ilus
Article in Spanish | LILACS | ID: lil-577494

ABSTRACT

Bariatric surgery has developed considerably over recent years due to the progressive increase in obesity worldwide. The laparoscopic sleeve gastrectomy is a new restrictive technique, with promising initial outcomes. CT images play an important role in postoperative evaluation as well as in complication management in patients undergoing this surgical technique. Here we review the role of abdominal computed tomography in the study of potential complications.


La cirugía bariátrica se ha desarrollado considerablemente en el último tiempo como consecuencia del aumento progresivo de la obesidad a nivel mundial. La gastrectomía en manga laparoscópica es una técnica restrictiva nueva, con resultados iniciales prometedores. Las imágenes juegan un rol importante en la evaluación postoperatoria por lo que es imprescindible conocer los cambios anatómicos normales y las principales complicaciones de esta técnica. En este trabajo revisamos el rol de la tomografía computada de abdomen en el estudio de posibles complicaciones.


Subject(s)
Humans , Bariatric Surgery/methods , Postoperative Complications , Gastrectomy/methods , Obesity/surgery , Tomography, X-Ray Computed , Bariatric Surgery/adverse effects , Gastric Fistula/etiology , Gastric Fistula , Gastrectomy/adverse effects , Splenic Infarction/etiology , Splenic Infarction , Laparoscopy
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